Categories Mathematics 1 + cot²2θ/2 = Post author By esimpk Post date June 16, 2021 No Comments on 1 + cot²2θ/2 = sec²θ csc²θ csc²2θ sec²θ/2 ← 1 – tanθtanphi/1 + tanθtanphi = → 1 + tan²2θ = Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.